Yoshihiko Takahashi is a Professor of Mechanical Systems Engineering at Kanagawa Institute of Technology. He has also been working for Toshiba Corporation since 1980. He has been teaching control systems, mechatronics, and robotics at the same school since 1996. His research interests are in human assist robotic systems, fuel cell electrical vehicle, and applications of sustainable energy. He is the author or coauthor of more than one hundred journal and international conference papers, and four books. Yoshihiko Takahashi received his Master's and Doctorate degrees in mechanical systems engineering from Tokyo University of Agriculture and Technology, Japan, in 1980 and 1995 respectively.